Simultaneously Optimizing the Heterojunction Band Alignment and Passivating the Absorber Grain Boundaries for 14.26% Efficiency Kesterite Solar Cells

Pengfei Lu; Yuanyuan Wang; Wenxing Zhang; Shuai Cao; Yuena Meng; Sixin Wu; Dongxing Kou; Wenhui Zhou; Zhengji Zhou; Yafang Qi; Shengjie Yuan; Litao Han

doi:10.1039/d5ta04043d

January 1, 2025Journal of Materials Chemistry A

Simultaneously Optimizing the Heterojunction Band Alignment and Passivating the Absorber Grain Boundaries for 14.26% Efficiency Kesterite Solar Cells

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Key Points

Kesterite solar cells reached an efficiency of 14.26% by optimizing band alignment.
Non-radiative recombination significantly affects performance, impacting both heterojunction and absorber areas.
The study involved an experimental method focusing on optimizing materials for solar cells.
Improving absorption efficiency may enable the use of kesterite solar cells in practical applications.

Implication

This analysis demonstrates improved efficiency in kesterite solar cells by addressing non-radiative recombination.

Abstract

As an emerging thin film photovoltaic device, kesterite solar cells suffer from severe non-radiative recombination at the heterojunction and the absorber bulk, which is a major cause of the low...

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Cite This Study

Lu et al. (2025) studied this question.

synapsesocial.com/papers/68c1b81254b1d3bfb60ebeb2 https://doi.org/10.1039/d5ta04043d

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Simultaneously Optimizing the Heterojunction Band Alignment and Passivating the Absorber Grain Boundaries for 14.26% Efficiency Kesterite Solar Cells

Key Points

Implication

Abstract

Discussion

Cite This Study

Simultaneously Optimizing the Heterojunction Band Alignment and Passivating the Absorber Grain Boundaries for 14.26% Efficiency Kesterite Solar Cells

Key Points

Implication

Abstract

Discussion

Cite This Study

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